{equations} is about the various environments to typeset displaystyle mathematics, e.g. equation and {align}. For general questions about mathematical typesetting use {math-mode}. Both tags are possible on the same question.

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6
votes
1answer
415 views

Equation tag in twoside-mode outer

At the moment I thinking about the following think. When I use the twoside mode to write a book I want to print the number of the equation outer. I can modify it manually with these two commands: ...
6
votes
1answer
8k views

aligning split equation

I am new to Latex ;) I split my equation like this: \begin{equation} \begin{split} \tilde{m}=P\tilde{M} \\ \quad = K(R^1R^2R^3t) \begin{pmatrix} X \\ Y \\ 0 \\ 1 \end{pmatrix} \\ \quad= ...
5
votes
2answers
340 views

Number of Equation: 1, 1a, 1b

Following Problem: I have a PDE and two boundary conditions what i actually want is: PDE (1) BC1 (1a) BC2 (1b) and what i have is: PDE (1) BC1 (2a) BC2 (2b) is there something which provides a ...
5
votes
2answers
198 views

How can I vertically align the numerators of two fractions?

I am writing the following formula: % arara: lualatex \documentclass{article} \usepackage{mathtools} \usepackage{unicode-math} \begin{document} ...
5
votes
1answer
120 views

how to tag an equation within an itemize - using amsart

I'm doing the following thing \documentclass[leqno]{amsart} \begin{document} Example. \begin{itemize} \item Such and so \item the following holds \begin{align} x - 2 \end{align} ...
5
votes
1answer
4k views

Automatic equation numbering in LyX

I would like to create automatic numbering of equations in LyX. when I entered \renewcommand\[{\begin{equation}} \renewcommand\]{\end{equation}} for the "equation" environment it worked. However, ...
5
votes
2answers
939 views

How to make equations, figures and theorems use the same numbering scheme

It was asked a while ago how to make equation use the same counter as a theorem for example and one solution was to make the theorem counter use the equation instead by using ...
4
votes
1answer
276 views

The equation is too long to fit in the beamer frame, but split environment does not work

The main code is as follow: \begin{frame} \frametitle{Householder Transformation} \begin{equation} %\onslide<1-> \mathop{ \begin{pmatrix} \times & \times &\times \\ ...
4
votes
1answer
10k views

Latex question “Missing $ inserted

I want to write this simple equation in latex 2/|w| In which |w| is the norm of w,, I tried with \frac{2}{\|w\|} And get error "Missing $ inserted" then I use this ...
4
votes
3answers
5k views

amsmath - multiple labels in one equation

I would like to use multiple labels in the same equation when using amsmath. Basic latex already has this feature, but not amsmath, which seems to manipulate labels in complicated ways. Is it possible ...
3
votes
1answer
90 views

Equations with only text in them

I would like to include equations in my article which have only text in them (in some cases there may be a little math) so that it keeps proper formatting. I tried using \mbox but then the text is so ...
3
votes
1answer
61 views

Cross-referenced equation never becomes defined

I have a strange problem with cross-referencing my equations: no matter how often I run pdflatex they stay undefined. Other references do get resolved. Is there something wrong with the way I label ...
3
votes
2answers
378 views

Write this equation

I want to write this equation in this way down but I have been unsuccessful. How can I improve this codes in order to get the equation below? \[ DeltaC{t} = \left\{ \begin{array}{ll} -1.40- ...
3
votes
1answer
107 views

To have nice tabbed text next to equations?

I want I have at the moment by \documentclass{article} \usepackage{amsmath} \begin{document} \begin{subequations} \begin{equation} \omega_c = \sqrt{\omega_{0}^{2} - \mu^{2}}, \mu < ...
3
votes
2answers
2k views

Break Large Equation Between Parenthesis Using Multline

I have a very large equation that I need to write in multiple lines, but multiline is not working between parenthesis. This is my LaTeX code: \begin{multline} e^{-y \lambda_n} \left( ...
3
votes
1answer
295 views

Align all equal signs in the document

Is there a way to align all the equal signs in all equations all over the document? I write a theses (scrbook) and like all equal signs to line up. At least in a chapter if not possible for the whole ...
3
votes
1answer
8k views

Problem putting matrix operations in an equation [duplicate]

Possible Duplicate: Errors in matrix equation? I'm trying to use official equation container for the first time, and it's giving me some trouble. I have this equation of a simple matrix ...
3
votes
3answers
1k views

How to vertically center `\begin{equation}…\end{equation}` in a table cell?

How to vertically center \begin{equation}...\end{equation} in a table cell? Minimal Code (I cannot minimize anymore) \documentclass{article} \usepackage{array,longtable,calc,amsmath} ...
2
votes
6answers
123 views

how to write a multi-row equation with a lot of material in each row

\[ \frac{1}{z^p}\left[ f(z)*\left( \frac{z^p - D z^{p+1}}{(1-z)^{2}} + \frac{\beta e^{i\theta}(D-1)z^{p+1}}{(1-z)^{2}}\right) \right] \] \[ =\frac{1}{z^p}\left[ f(z)*\left( z^p + \sum ...
2
votes
1answer
206 views

Numbering equations within dynblocks environment

I'm trying to number an equation inside an environment created for customed blocks with equations like those contained in how to adjust the latex beamer block width to the size of its content?. But I ...
2
votes
1answer
729 views

why mathtools does not work for showing only equations which are referred to in the text?

I am using mathtools in the following way: \usepackage{mathtools} \mathtoolsset{showonlyrefs,showmanualtags} Then, to refer to equations I use \refeq{equation}. What happens is that there is a ...
1
vote
1answer
82 views

Multiline equations with one identifier

I have a two line equation, but the following code puts two numbers (e.g. (1) and (2)) \begin{alignat}{2} &E_{peer} = E_{miss} \\ &+ h_{3} \times ...
1
vote
1answer
298 views

Two columns of equations, aligned and just one number per column

I'm writing a two-column document, and I want to display two sets of large equations floating at the top. Each equation set should be aligned within the same column, and only the two top equations ...
31
votes
1answer
16k views

Is it possible to pagebreak aligned equations?

The report I'm writting features a lot of long, multiple lines equations. To reduce visual polution I've been using an aligned environment nested inside equation. This way (unlike just using an align ...
30
votes
3answers
97k views

How do you center equations?

I can't seem to center equations without causing some weird formatting problem. The following results in the R being dropped: \begin{center} E(R_{i,t})=E(\alpha_i)+E(\beta_{i,F_1 } ...
9
votes
3answers
27k views

How can I decrease spaces between equations?

\documentclass[12pt,a4paper]{mwrep} \renewcommand\baselinestretch{1.5} \begin{document} \chapter{Test} Text text text text text text text text text text \begin{equation} 1 + 2 + 3 = 6 ...
19
votes
3answers
4k views

Guidelines for typesetting fractions

I realize that this question is to some extent subjective. However, I suspect that there are some common standards regarding how fractions ought to be typeset in mathematics. The guide Mathematical ...
14
votes
5answers
658 views

How to split a long formula and make it beautiful?

My method: \documentclass[UTF8]{ctexart} \usepackage{amsmath} \usepackage{amssymb} \usepackage{graphicx} \usepackage{epstopdf} \usepackage{inputenc} \begin{document} \begin{equation} \begin{split} ...
22
votes
3answers
28k views

Adding letters to equation numbers

I want to number use a equation and add a letter to the equation number such as: f(x) =a x and g(x) = b x (3.1.1a,b) That is e.g. using \begin{equation} ... \label{eq} ...
17
votes
2answers
15k views

Custom equations' names

Do you know ho can i call a reference to an equation using \ref or \eqref and obtain (name of the equation) instead of the standard counter? Thanks!
7
votes
1answer
980 views

Fancy box around equation

I am trying to get my equations to show up like: This is my attempt thus far: \documentclass[11pt,fleqn]{book} \usepackage[top=3cm,bottom=3cm,left=3.2cm,right=3.2cm,headsep=10pt,a4paper]{geometry} ...
41
votes
1answer
6k views

Breaking equations with breqn

I am new to using the breqn package. It looks good, but I get an odd behaviour when an equation can almost fit in the page but not quite: the alignment gets completely wrong. Is there a way to fix ...
19
votes
3answers
4k views

Add equation name underneath equation number

I am wondering if it is possible (and if so how) to add names to equations just underneath the equation number. I am just using the standard equation environment to display the equation centered in ...
19
votes
1answer
4k views

Aligned equations inside of TikZ node.

How can I create a tree node with an aligned math equations inside? \begin{align} \end{align} doesn't work \begin{minipage}{100} \begin{align} ... \end{align} \end{minipage} Gives a lot ...
6
votes
1answer
1k views

How to draw slope fields with all the possible solution curves in latex

Sorry, I have no code to submit, mostly because I have no idea how to do this. I want to type up my homework (I can do the homework by hand) and I am looking for a simple method that I can use ...
15
votes
6answers
2k views

Which equations should be numbered? [closed]

Is the best practice to number all equations, or just those that will be referred to?
12
votes
4answers
5k views

Aligning plain `align` and `cases`?

The cases environment works very well for enumerating cases within a large left bracket. I'd like to be able to combine it with the align environment so that equals-signs and conditions also line up: ...
11
votes
3answers
3k views

Why doesn't lineno number a paragraph when it is followed by an “align” equation environment without a space?

lineno skips the line numbering in this case: \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{lineno} \linenumbers \begin{document} Lorem ipsum dolor sit amet, consectetur adipiscing ...
10
votes
1answer
714 views

Automated generation of equation key

I am looking for a way to automatically create the legend for an equation (let's say embedded in the align environment). What I'm currently using is a semi automated to fully manual way. Let me ...
8
votes
3answers
1k views

Write more beautiful math equations, like a professional book

I want to write math equations more "beautiful". My equations are shown as follows: The vector looks ugly and disproportionate. And I like that they look it this way: The vector looks ...
17
votes
1answer
4k views

Is there a standard way to refer to a range of equations?

I have occasionally wanted to refer to a range of equations in my document. So far, I've been using Equations~\eqref{firstEquation}~--~\eqref{lastEquation}, which produces something like "Equations ...
16
votes
5answers
924 views

Giving an equation between \[ \]'s a number

I usually use \[ ... \] to typeset equations in latex and sometimes I come back and realize that I want to have an equation number and label. I have been coming back and editing it to \begin{equation} ...
14
votes
1answer
16k views

Change the type of equation numbering in document class article [duplicate]

Possible Duplicate: Continuous v. per-chapter/section numbering of figures, tables, and other document elements I have written my thesis in document class 'article' (don't ask me why). Now ...
12
votes
2answers
1k views

\mathrm{} or \mbox{}? What is the convention when writing a equation?

When writing a equation, sometimes we need write letters non-italic. For example, let A be a matrix and its transpose should be A^{\mathrm{T}} instead of A^T. In addition, if a letter does not ...
11
votes
1answer
251 views

Writing Notes, want my equations organized at the end of document

I'm writing up my textbook notes in LateX. As I am writing paragraphs, I am inserting equations while I'm writing. I want to somehow display all of my numbered equations at the end of my document ...
9
votes
2answers
10k views

How can I box multiple aligned equations?

This question is two-fold. In my document, I currently have boxes around single equations like so: \documentclass[11pt]{article} \usepackage{amsmath} \begin{document} \begin{equation} ...
9
votes
1answer
272 views

How to improve the looks of a fraction?

We may notice that the numerator and denominator in the following fraction are not aligned. And, to me it does not look good. How to align the numerator and denominator? \documentclass{article} ...
7
votes
1answer
257 views

Highlight referenced equation number

I have to give a talk, and I am using a LaTeX paper that I will write onto the blackboard. However, it is quite annoying to write all equation numbers on the blackboard, but I do want to have them all ...
5
votes
3answers
3k views

An equation skip problem — amsmath package and \above/belowdisplayskip

I have been puzzled by a problem about math equation skip for days. I set the \lineskiplimit, \lineskip, \abovedisplayskip and others length macros before and after equations all to zero, but there ...
2
votes
1answer
229 views

Which one is recommended to split, continue and align a long equation?

In my investigation, the outputs are identical as follows. Version 1: Using aligned. \begin{align*} \framebox[6cm]{Top LHS}\\ \framebox[5cm]{Middle LHS}\\ \framebox[4cm]{Bottom LHS} &= \! ...